/**
 * Copyright (C) 2007, 2008 Carnegie Mellon University and others.
 *
 * This file is part of Plural.
 *
 * Plural is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Plural is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Plural; if not, see <http://www.gnu.org/licenses>.
 *
 * Linking Plural statically or dynamically with other modules is
 * making a combined work based on Plural. Thus, the terms and
 * conditions of the GNU General Public License cover the whole
 * combination.
 *
 * In addition, as a special exception, the copyright holders of Plural
 * give you permission to combine Plural with free software programs or
 * libraries that are released under the GNU LGPL and with code
 * included in the standard release of Eclipse under the Eclipse Public
 * License (or modified versions of such code, with unchanged license).
 * You may copy and distribute such a system following the terms of the
 * GNU GPL for Plural and the licenses of the other code concerned.
 *
 * Note that people who make modified versions of Plural are not
 * obligated to grant this special exception for their modified
 * versions; it is their choice whether to do so. The GNU General
 * Public License gives permission to release a modified version
 * without this exception; this exception also makes it possible to
 * release a modified version which carries forward this exception.
 */
package edu.cmu.cs.plural.perm.parser;

import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.logging.Logger;

import edu.cmu.cs.plural.fractions.Fraction;

/**
 * This is to work around some syntactic problem in Antlr where it can't handle 
 * parameterized <code>Map</code>s.
 * @author Kevin Bierhoff
 * @since 5/30/2008
 */
public class TempFractionMap {
	
	private static final Logger log = Logger.getLogger(TempFractionMap.class.getName());

	private Map<String, Fraction> map;
	
	public TempFractionMap() {
		this.map = new LinkedHashMap<String, Fraction>();
	}

	public TempFractionMap(Map<String, Fraction> map) {
		this.map = Collections.unmodifiableMap(map);
	}
	
	public void put(String n, Fraction f) {
		if(map.containsKey(n))
			log.warning("Node mentioned twice in one fraction function: " + n);
		map.put(n, f);
	}

	/**
	 * Returns the map.
	 * @return the map.
	 */
	public Map<String, Fraction> getMap() {
		return map;
	}
}
